Navigational warnings on 2017-01-20

UTC day · today

issued
38
cancelled
30
in force at end
519
of these still in force
0

What this reporting period contains

38 messages have issue dates in this period, and 30 have cancellation dates in it. A cancellation can close a message issued earlier; subtracting these totals does not give a count of new incidents.

Exercises accounts for 9 of 38 recorded messages (24%), the largest category group in this selection.

HYDROPAC accounts for 18 of 38 recorded messages (47%), the largest source series group in this selection.

Separate updates to the same activity count as separate messages. The original records below show what was reported and when.

Issued · by type

Exercises9
Other8
Incidents5
Nav aids4
Derelicts3
Missiles3
Wrecks2
Icebergs2
Ordnance1
Surveys1

Issued · by sea

North Atlantic Ocean2
North Pacific Ocean2
Tasman Sea2
South Pacific Ocean2
Black Sea2
Indian Ocean2
South China Sea2
North Sea2

HYDROPAC 18 · HYDROLANT 14 · NAVAREA IV 4 · NAVAREA XII 2

Issued · 38

Cancelled · 30

Not for navigation. Counts include only warnings we display; ongoing search-and-rescue traffic is excluded until 30 days after it closes.

Navigational warnings on 2017-01-20 · seahazards